### Apple Container System Setup

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/demo/README.md

Required kernel configuration for Apple Container.

```bash
container system kernel set --recommended
```

--------------------------------

### Example configuration template

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/generating-configuration.md

A sample YAML template file used as the base for the configuration generation process.

```yaml
common:
    pg_bin_path: "/usr/lib/postgresql/18/bin"
    tmp_dir: "/tmp"

restore:
    pg_restore_options:
        clean: true
        inserts: true
        on-conflict-do-nothing: true
        restore-in-order: true
        jobs: 10

dump:
    pg_dump_options:
        exclude-schema: "(pg_*|tiger|tiger_data|topology)"
        exclude-table-data:
            - "public.messenger_messages"
        clean: true
        create: true
        if-exists: true
        jobs: 10
```

--------------------------------

### Install GreenmaskBundle via Composer

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/installation.md

Use this command to add the bundle to your project dependencies.

```bash
composer require tacticmedia/greenmask-bundle
```

--------------------------------

### Docker build configuration generation

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/generating-configuration.md

Example of running the configuration generation during a Docker image build process.

```dockerfile
COPY greenmask/config.dist.yml /tmp/config.dist.yml

RUN composer install --prefer-dist --no-progress --no-interaction --no-scripts \
    && bin/console greenmask:generate-config /tmp/config.dist.yml /tmp/config.yml \
    && rm -f /tmp/config.dist.yml
```

--------------------------------

### Configure Cmd Transformer

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/multi-column.md

Examples of configuring the Cmd transformer using PHP attributes and YAML syntax.

```php
#[Transformer\Cmd(
    executable: '/usr/local/bin/anonymise',
    args: ['--strict'],
    columns: [['name' => 'note', 'skip_on_null_input' => true]],
    driver: CmdDriverEnum::JSON,
    timeout: '30s',
)]
```

```yaml
- name: Cmd
  params:
    executable: /usr/local/bin/anonymise
    args: ['--strict']
    columns:
      - name: note
        skip_on_null_input: true
    driver: { name: json }
    timeout: 30s
```

--------------------------------

### Generated Greenmask Configuration Example

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/README.md

The resulting YAML configuration file generated from the entity attributes.

```yaml
dump:
  transformation:
    -
      schema: core
      name: user
      transformers:
        -
          name: Masking
          params:
            type: name
            column: display_name
        -
          name: RandomEmail
          when: 'record.email != "admin@example.com"'
          params:
            domains:
              - disabled.localhost
            column: email
```

--------------------------------

### Configure faker family transformers

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/datetime.md

Examples of applying faker-style date transformers to fields.

```php
#[Transformer\RandomMonthName]
#[Transformer\RandomTimezone(keepNull: false)]
```

--------------------------------

### Configure RandomUuid Transformer

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/identity.md

Example of applying the RandomUuid transformer using a PHP attribute.

```php
#[Transformer\RandomUuid]
```

--------------------------------

### Configure RandomPerson Transformer

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/multi-column.md

Example of using the RandomPerson transformer with column templates and gender mapping.

```php
#[Transformer\RandomPerson(
    columns: [['name' => 'fullName', 'template' => '{{ .Title }} {{ .FirstName }} {{ .LastName }}']],
    genderMapping: ['Male' => ['m', 'man'], 'Female' => ['f', 'woman']],
)]
```

--------------------------------

### Configure Faker Family Transformers

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/identity.md

Examples of applying various faker-based transformers using PHP attributes.

```php
#[Transformer\RandomUsername]
#[Transformer\RandomE164PhoneNumber(keepNull: false)]
```

--------------------------------

### Configure RandomEmail Transformer

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/identity.md

Examples showing how to define the RandomEmail transformer using PHP attributes or YAML configuration.

```php
#[Transformer\RandomEmail(preserve: ['admin@example.com'], domains: ['disabled.localhost'])]
```

```yaml
- name: RandomEmail
  when: 'record.email != "admin@example.com"'
  params:
    domains: [disabled.localhost]
    column: email
```

--------------------------------

### Configure Json Transformer

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/advanced.md

Examples of configuring the Json transformer to edit document fields using PHP attributes or YAML configuration.

```php
#[Transformer\Json([
    ['operation' => JsonOperationEnum::SET, 'path' => 'name', 'value' => 'REDACTED'],
    ['operation' => JsonOperationEnum::SET, 'path' => 'crew.size', 'value_template' => '{{ randomInt 1 10 }}'],
    ['operation' => JsonOperationEnum::DELETE, 'path' => 'ssn', 'skip_not_exist' => true],
])]
```

```yaml
- name: Json
  params:
    operations:
      - operation: set
        path: name
        value: REDACTED
      - operation: set
        path: crew.size
        value_template: '{{ randomInt 1 10 }}'
      - operation: delete
        path: ssn
        skip_not_exist: true
    column: document
```

--------------------------------

### Run the Greenmask demo

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/demo/README.md

Executes the end-to-end demonstration using the provided Makefile command.

```bash
make demo
```

--------------------------------

### Manual Makefile Commands

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/demo/README.md

Commands for managing the demo environment via Docker Compose.

```bash
docker compose up -d database
```

```bash
docker compose run --rm app composer install
```

```bash
docker compose run --rm app bin/console demo:seed
```

```bash
docker compose run --rm app bin/console greenmask:generate-config greenmask/config.dist.yaml greenmask/config.yaml
```

```bash
docker compose run --rm greenmask --config=/config/config.yaml validate --data --diff --transformed-only --rows-limit=3
```

```bash
docker compose run --rm greenmask --config=/config/config.yaml dump
```

```bash
docker compose run --rm greenmask --config=/config/config.yaml list-dumps
```

```bash
docker compose run --rm greenmask --config=/config/config.yaml restore latest
```

```bash
docker compose run --rm app bin/console demo:show
```

--------------------------------

### Apple Container Database Readiness Check

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/demo/README.md

Wait loop for database readiness in Apple Container.

```bash
until container exec database pg_isready ...; do sleep 1; done
```

--------------------------------

### List and restore database dumps

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/backup-and-restore.md

Commands to list available dumps in storage and restore the latest version.

```bash
greenmask --config=/tmp/config.yml list-dumps
greenmask --config=/tmp/config.yml restore latest
```

--------------------------------

### Run project development commands

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/CLAUDE.md

Use these Composer and Makefile commands for testing, static analysis, code style enforcement, and end-to-end verification.

```bash
composer install
composer test    # PHPUnit; single test: vendor/bin/phpunit --filter testName
composer stan    # PHPStan level 8 over src and tests
composer cs      # php-cs-fixer (@auto, @PhpCsFixer, @Symfony)
composer qa      # rector, cs, stan, test in sequence

cd demo && make demo                   # end-to-end round trip on Docker Compose
cd demo && make RUNNER=container demo  # the same on Apple Container
```

--------------------------------

### Generate configuration command

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/generating-configuration.md

Execute the generation command by providing a source template and a destination file path.

```bash
bin/console greenmask:generate-config <from> <to>
```

--------------------------------

### Apple Container Runner Execution

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/demo/README.md

Command to execute the demo using the Apple Container runner.

```bash
make RUNNER=container demo
```

--------------------------------

### Restrict bundle to specific environments

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/installation.md

Limit the bundle registration to non-production environments to prevent the command from being available in production.

```php
TacticMedia\GreenmaskBundle\GreenmaskBundle::class => ['dev' => true, 'test' => true],
```

--------------------------------

### Execute Greenmask dump

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/backup-and-restore.md

Run the dump command using a specific configuration file.

```bash
greenmask --config=/tmp/config.yml dump
```

--------------------------------

### Generate Greenmask Configuration

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/README.md

Execute the console command to transform entity attributes into a Greenmask configuration file.

```bash
bin/console greenmask:generate-config config/greenmask.dist.yml config/greenmask.yml
```

--------------------------------

### Apply RandomMac Transformer

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/network.md

Configures the RandomMac transformer to preserve the original vendor prefix.

```php
#[Transformer\RandomMac(keepOriginalVendor: true)]
```

--------------------------------

### Implement MultiColumnTransformerInterface

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/multi-column.md

Create a custom transformer by implementing the MultiColumnTransformerInterface and using the ColumnsShape utility to resolve column mappings.

```php
#[\Attribute(\Attribute::TARGET_CLASS)]
final readonly class RandomCouple implements MultiColumnTransformerInterface
{
    /** @param non-empty-list<array{name: non-empty-string}> $columns */
    public function __construct(private array $columns) {}

    public function getYamlValue(array $columns): array
    {
        return YamlEntry::build('RandomCouple', params: [
            'columns' => ColumnsShape::resolve($this->columns, $columns, self::class),
        ]);
    }
}
```

--------------------------------

### Register the bundle in bundles.php

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/installation.md

Manually register the bundle if Symfony Flex does not automatically handle the configuration.

```php
return [
    // ...
    TacticMedia\GreenmaskBundle\GreenmaskBundle::class => ['all' => true],
];
```

--------------------------------

### Run Greenmask dump via Docker Compose

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/backup-and-restore.md

Execute the dump command inside the configured Docker container.

```bash
docker compose -f compose.greenmask.yaml run --rm greenmask dump
```

--------------------------------

### Apply RandomDomainName and RandomURL Transformers

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/network.md

Applies the RandomDomainName and RandomURL transformers to generate synthetic network identifiers.

```php
#[Transformer\RandomDomainName]
#[Transformer\RandomURL]
```

--------------------------------

### Apply RandomIp Transformer

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/network.md

Configures the RandomIp transformer with a specific CIDR subnet.

```php
#[Transformer\RandomIp(subnet: '10.0.0.0/8')]
```

--------------------------------

### Cmd Transformer

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/multi-column.md

Pipes the row through an external program.

```APIDOC
## Cmd

### Description
Pipes the row through an external program. The executable must exist on the machine that runs the dump.

### Parameters
- **executable** (string) - Required - The path to the external program.
- **args** (list<string>) - Optional - Arguments for the executable.
- **columns** (list<array>) - Optional - Column definitions including name and skip flags.
- **driver** (CmdDriverEnum) - Optional - Driver name (TEXT, JSON, CSV).
- **jsonDataFormat** (CmdJsonDataFormatEnum) - Optional - JSON data format.
- **jsonAttributesFormat** (CmdJsonAttributesFormatEnum) - Optional - JSON attributes format.
- **csvAttributesFormat** (CmdCsvAttributesFormatEnum) - Optional - CSV attributes format.
- **validate** (bool) - Optional - Validation flag.
- **timeout** (string) - Optional - Execution timeout (e.g., '30s').
- **expectedExitCode** (int) - Optional - Expected exit code.
- **skipOnBehaviour** (CmdSkipBehaviourEnum) - Optional - Skip behavior (ALL, ANY).
- **when** (string) - Optional - Top-level condition.
```

--------------------------------

### Configure RandomPerson transformer in YAML

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/multi-column.md

Define the RandomPerson transformer configuration using YAML, specifying column names and templates.

```yaml
- name: RandomPerson
  params:
    columns:
      - name: first_name
        template: '{{ .FirstName }}'
      - name: last_name
        template: '{{ .LastName }}'
```

--------------------------------

### Configure RandomString Transformer

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/text.md

Applies a random string generator with specified minimum and maximum length constraints.

```php
#[Transformer\RandomString(minLength: 8, maxLength: 16)]
```

--------------------------------

### Configure RandomParagraph Transformer

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/text.md

Applies a Lorem-style paragraph generator for filler text content.

```php
#[Transformer\RandomParagraph]
```

--------------------------------

### Apply Finance Transformers via Attributes

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/finance.md

Use PHP attributes to apply RandomCCNumber and RandomAmountWithCurrency transformers to class properties.

```php
#[Transformer\RandomCCNumber]
#[Transformer\RandomAmountWithCurrency(keepNull: false)]
```

--------------------------------

### RandomString

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/text.md

Generates a random string with a controllable length and optional engine configuration.

```APIDOC
## RandomString

### Description
Generates a random string of characters. This is the only text transformer that supports a configurable length and engine.

### Attributes
- **minLength** (int) - Required - The minimum length of the generated string.
- **maxLength** (int) - Required - The maximum length of the generated string.
- **symbols** (string) - Optional - The alphabet of characters to draw from.
- **keepNull** (bool) - Optional - Whether to preserve null values.
- **engine** (EngineEnum) - Optional - The engine used for generation.
- **when** (string) - Optional - Conditional logic for the transformation.
```

--------------------------------

### Configure Template Transformer

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/advanced.md

Configures the Template transformer to replace a column value using a Go template.

```php
#[Transformer\Template('{{ .GetColumnValue "first_name" }} {{ .GetColumnValue "last_name" }}')]
```

--------------------------------

### RandomDomainName and RandomURL

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/network.md

Generates random domain names or URLs from a generic pool.

```APIDOC
## RandomDomainName / RandomURL

### Description
Generates a random domain name or URL. Note that generated domains may resolve and should be treated as unsafe to contact.

### Parameters
- **keepNull** (bool) - Optional - Whether to keep null values.
- **when** (string) - Optional - Top-level condition for applying the transformer.
```

--------------------------------

### RandomMac

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/network.md

Generates a random MAC address with optional vendor preservation and cast/management type settings.

```APIDOC
## RandomMac

### Description
Generates a random MAC address. Optionally preserves the original vendor's first three octets.

### Parameters
- **keepOriginalVendor** (bool) - Optional - If true, keeps the first three octets of the original MAC.
- **castType** (MacCastTypeEnum) - Optional - Cast type (ANY, INDIVIDUAL, GROUP). Defaults to any.
- **managementType** (MacManagementTypeEnum) - Optional - Management type (ANY, UNIVERSAL, LOCAL). Defaults to any.
- **engine** (EngineEnum) - Optional - The engine used for generation.
- **when** (string) - Optional - Top-level condition for applying the transformer.
```

--------------------------------

### Define a SQL Script Attribute

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/attributes.md

Use the Query attribute to define SQL statements for pre or post dump execution. Note that the current generator does not yet process these attributes.

```php
#[Script\Query(name: 'clear_sessions', query: 'DELETE FROM sessions', when: 'after')]
```

--------------------------------

### Configure NoiseDate transformer

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/datetime.md

Shifts original date values by a specified interval range.

```php
#[Transformer\NoiseDate(maxRatio: '6 months', minRatio: '1 day')]
```

--------------------------------

### Hash

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/replacement.md

Writes a digest of the original value, ensuring equal inputs result in equal outputs.

```APIDOC
## Hash

### Description
Writes a digest of the original value, so equal inputs stay equal.

### Arguments
- **salt** (string) - Optional - A hex string salt. Defaults to GREENMASK_GLOBAL_SALT.
- **function** (HashFunctionEnum) - Optional - The hashing algorithm to use. Defaults to sha3-254 (SHA3-256).
- **maxLength** (int) - Optional - Truncates the digest; 0 keeps it whole.
- **when** (string) - Optional - Conditional logic for applying the transformer.
```

--------------------------------

### Apply NoiseInt transformer

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/numeric.md

Shifts an integer value by a random ratio within defined bounds.

```php
#[Transformer\NoiseInt(maxRatio: 0.3, min: 0)]
```

--------------------------------

### Implement a Custom Transformer

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/attributes.md

Create a custom transformer by implementing TransformerInterface on an attribute class. The generator automatically discovers these via the interface.

```php
#[\Attribute(\Attribute::TARGET_PROPERTY)]
final readonly class RandomPostcode implements TransformerInterface
{
    public function __construct(private string $country) {}

    public function getYamlValue(string $column): array
    {
        return YamlEntry::build('RandomPostcode', params: ['country' => $this->country]);
    }
}
```

--------------------------------

### Configure RandomDate transformer

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/datetime.md

Defines a random date range using min and max bounds.

```php
#[Transformer\RandomDate(min: '2020-01-01 00:00:00', max: '2030-01-01 00:00:00')]
```

--------------------------------

### RandomWord, RandomSentence, RandomParagraph

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/text.md

Generates lorem-style filler text of increasing size, useful for layout testing.

```APIDOC
## RandomWord, RandomSentence, RandomParagraph

### Description
Generates filler text content. These transformers do not accept length constraints or engines.

### Attributes
- **keepNull** (bool) - Optional - Whether to preserve null values.
- **when** (string) - Optional - Conditional logic for the transformation.
```

--------------------------------

### RandomIp

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/network.md

Generates a random IP address within a specified CIDR subnet.

```APIDOC
## RandomIp

### Description
Generates a random IP address within a specified CIDR block. The address family of the subnet determines if the output is IPv4 or IPv6.

### Parameters
- **subnet** (string) - Required - A CIDR block the address falls inside.
- **engine** (EngineEnum) - Optional - The engine used for generation.
- **when** (string) - Optional - Top-level condition for applying the transformer.
```

--------------------------------

### TemplateRecord Transformer

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/multi-column.md

Writes several columns from one Go template over the whole record.

```APIDOC
## TemplateRecord

### Description
Writes several columns from one Go template over the whole record.

### Parameters
- **template** (string) - Required - The Go template string.
- **columns** (list<non-empty-string>) - Optional - List of entity property names.
- **validate** (bool) - Optional - Prints the transformation during a dump.
- **when** (string) - Optional - Top-level condition.
```

--------------------------------

### RegexpReplace

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/replacement.md

Substitutes a pattern inside the original value using RE2 syntax.

```APIDOC
## RegexpReplace

### Description
Substitutes a pattern inside the original value. The pattern uses RE2 syntax, which does not support backreferences or lookaround.

### Arguments
- **regexp** (string) - Required - The regular expression pattern to match.
- **replace** (string) - Required - The replacement string, supporting capture groups like $1.
- **when** (string) - Optional - Conditional logic for applying the transformer.
```

--------------------------------

### Configure RandomUnixTimestamp transformer

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/datetime.md

Generates a random Unix timestamp within specified bounds and units.

```php
#[Transformer\RandomUnixTimestamp(
    min: 1600000000,
    max: 1700000000,
    unit: TimestampUnitEnum::MILLISECOND,
)]
```

--------------------------------

### Dict Transformer

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/replacement.md

Maps existing values to new values using a dictionary, with support for a default fallback.

```php
#[Transformer\Dict(
    values: ['active' => 'inactive', 'pending' => '\N'],
    default: 'unknown',
)]
```

```yaml
- name: Dict
  params:
    values: { active: inactive, pending: \N }
    default: unknown
    column: status
```

--------------------------------

### Greenmask Docker Compose configuration

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/backup-and-restore.md

Define the Greenmask service in Docker Compose, including volume mounts and environment variables for database and S3 storage connectivity.

```yaml
services:
    greenmask:
        image: greenmask/greenmask
        volumes:
            - ./greenmask/config.yml:/tmp/config.yml
        environment:
            # Connection to the source database.
            # https://docs.greenmask.io/latest/configuration/#postgres-connection-variables
            PGHOST: ${PGHOST:-database}
            PGPORT: ${PGPORT:-5432}
            PGUSER: ${PGUSER:-app}
            PGPASSWORD: ${PGPASSWORD:-password}
            PGDATABASE: ${PGDATABASE:-app}

            # Every configuration key has an environment variable: uppercase it and
            # replace the dots with underscores.
            # https://docs.greenmask.io/latest/configuration/#environment-variable-configuration
            STORAGE_TYPE: "s3"
            STORAGE_S3_ENDPOINT: http://localstack:4566
            STORAGE_S3_BUCKET: "greenmask"
            STORAGE_S3_REGION: "ap-southeast-2"
            STORAGE_S3_ACCESS_KEY_ID: "localstack"
            STORAGE_S3_SECRET_ACCESS_KEY: "localstack"
            STORAGE_S3_FORCE_PATH_STYLE: true

            DUMP_PG_DUMP_OPTIONS_DBNAME: "app"
            RESTORE_PG_RESTORE_OPTIONS_DBNAME: "app_restored"
```

--------------------------------

### RandomCompany Transformer

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/multi-column.md

Configures the RandomCompany transformer to generate synthetic company names and suffixes.

```APIDOC
## RandomCompany

### Description
Generates synthetic company data (CompanyName, CompanySuffix) for specified columns.

### Parameters
- **columns** (non-empty-list<array>) - Required - List of column definitions containing 'name' and 'template'.
- **engine** (EngineEnum) - Optional - Transformation engine.
- **when** (string) - Optional - Conditional execution logic.
```

--------------------------------

### RandomChoice

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/replacement.md

Picks one of the values from a provided list.

```APIDOC
## RandomChoice

### Description
Picks one of the values you list.

### Arguments
- **values** (non-empty-list<scalar>) - Required - The list of values to choose from.
- **validate** (bool) - Optional - Whether to validate the input. Defaults to true.
- **keepNull** (bool) - Optional - Whether to keep null values.
- **engine** (EngineEnum) - Optional - The engine to use for selection.
- **when** (string) - Optional - Conditional logic for applying the transformer.
```

--------------------------------

### RealAddress Transformer

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/multi-column.md

Configures the RealAddress transformer to generate synthetic address components.

```APIDOC
## RealAddress

### Description
Generates synthetic address data (Address, City, State, PostalCode, Latitude, Longitude) for specified columns.

### Parameters
- **columns** (non-empty-list<array>) - Required - List of column definitions containing 'name' and 'template'.
- **when** (string) - Optional - Conditional execution logic.
```

--------------------------------

### Apply RandomInt transformer

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/numeric.md

Generates a random integer within the specified range.

```php
#[Transformer\RandomInt(min: 1, max: 100)]
```

--------------------------------

### Generated transformation output

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/generating-configuration.md

The structure of the transformation rules emitted by the generator for entity tables.

```yaml
dump:
  transformation:
    -
      schema: core
      name: user
      transformers:
        -
          name: Masking
          params:
            type: name
            column: display_name
```

--------------------------------

### Replace Transformer

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/replacement.md

Writes a fixed value to every row in the column.

```php
#[Transformer\Replace('REDACTED')]
```

--------------------------------

### Apply RandomFloat transformer

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/numeric.md

Generates a random float with a defined number of decimal places.

```php
#[Transformer\RandomFloat(min: 0.0, max: 99.99, decimal: 2)]
```

--------------------------------

### Dict Transformer

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/replacement.md

Replaces each value based on a provided mapping dictionary.

```APIDOC
## Dict

### Description
Replaces each value with the one mapped in the values dictionary.

### Parameters
- **values** (array) - Required - A map of original values to new values. Use '\N' to represent NULL.
- **default** (string) - Optional - The value to use when no key matches.
- **failNotMatched** (bool) - Optional - If true, stops the dump on an unmapped value. Defaults to true.
- **validate** (bool) - Optional - Whether to validate the output.
- **when** (string) - Optional - Conditional logic for applying the transformer.
```

--------------------------------

### Template Transformer

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/advanced.md

The Template transformer replaces a column's value with the output of a Go template.

```APIDOC
## Template Transformer

### Description
Replaces one column with the output of a Go template, allowing derivation of one column from others.

### Parameters
- **template** (string) - Required - The Go template string used to generate the value.
- **validate** (bool) - Optional - Reserved for configuration compatibility.
- **when** (string) - Optional - Conditional logic for the transformer.
```

--------------------------------

### RandomPerson Transformer

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/multi-column.md

Configures the RandomPerson transformer to generate synthetic personal data based on specified templates and gender mapping.

```APIDOC
## RandomPerson

### Description
Generates synthetic personal data (FirstName, LastName, Title) for specified columns.

### Parameters
- **columns** (non-empty-list<array>) - Required - List of column definitions containing 'name' and 'template'.
- **gender** (GenderEnum) - Optional - Specifies gender (MALE, FEMALE, ANY). Defaults to ANY.
- **genderMapping** (array<string, non-empty-list<string>>) - Optional - Maps original values to gender categories.
- **fallbackGender** (GenderEnum) - Optional - Gender to use if mapping fails.
- **engine** (EngineEnum) - Optional - Transformation engine.
- **when** (string) - Optional - Conditional execution logic.
```

--------------------------------

### Apply RandomLatitude and RandomLongitude attributes

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/geo.md

Use these attributes to generate random geographic coordinates independently on a row.

```php
#[Transformer\RandomLatitude]
#[Transformer\RandomLongitude]
```

--------------------------------

### Apply RandomNumeric transformer

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/numeric.md

Handles high-precision numeric or decimal columns by passing bounds as strings.

```php
#[Transformer\RandomNumeric(min: '0.01', max: '99999999999999999999.99', decimal: 2)]
```

--------------------------------

### Replace Transformer

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/replacement.md

Writes a fixed value to every row in the column.

```APIDOC
## Replace

### Description
Replaces all values in the column with a single fixed value.

### Parameters
- **value** (mixed) - Optional - The value to write. Defaults to 'CONFIDENTIAL'.
- **validate** (bool) - Optional - Checks the value against the column type.
- **keepNull** (bool) - Optional - Whether to preserve existing NULL values.
- **when** (string) - Optional - Conditional logic for applying the transformer.
```

--------------------------------

### Apply RandomBool transformer

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/numeric.md

Generates a random boolean value.

```php
#[Transformer\RandomBool]
```

--------------------------------

### Hash Transformer

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/replacement.md

Generates a cryptographic digest of the input value. Supports various hashing algorithms and optional salt.

```php
#[Transformer\Hash(function: HashFunctionEnum::SHA256, maxLength: 16)]
```

--------------------------------

### SetNull Transformer

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/replacement.md

Writes NULL to a column. The column must be nullable.

```APIDOC
## SetNull

### Description
Writes NULL to the target column. The column must be nullable.

### Parameters
- **when** (string) - Optional - Conditional logic for applying the transformer.
```

--------------------------------

### Apply NoiseNumeric transformer

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/numeric.md

Shifts a high-precision numeric value by a random ratio, accepting string bounds for precision.

```php
#[Transformer\NoiseNumeric(maxRatio: 0.5, min: '0.0000000001')]
```

--------------------------------

### RegexpReplace Transformer

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/replacement.md

Performs pattern-based substitution using RE2 syntax. Capture groups are supported via $1, $2, etc.

```php
#[Transformer\RegexpReplace(regexp: '^(\w+)@.*$', replace: '$1@disabled.localhost')]
```

--------------------------------

### RandomChoice Transformer

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/replacement.md

Selects a single value from a provided list of options.

```php
#[Transformer\RandomChoice(values: ['red', 'green', 'blue'])]
```

--------------------------------

### Transformer\Masking

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/replacement.md

The Masking transformer allows for partial obscuring of data based on predefined rules.

```APIDOC
## Transformer\Masking

### Description
Stars out part of the original value, keeping its shape. This transformer is applied via the `#[Transformer\Masking(PartialEnum::NAME)]` attribute.

### Arguments
- **type** (PartialEnum) - Optional - The masking rule to apply. Defaults to `default`.
- **when** (string) - Optional - Top-level condition for applying the mask.

### Supported Masking Rules
| Case | Emitted value | Rule |
|---|---|---|
| `DEFAULT` | `default` | Replaces every character with `*` |
| `NAME` | `name` | Masks the second and third letter of a word |
| `PASSWORD` | `password` | Always returns a fixed-length mask |
| `ADDRESS` | `addr` | Keeps the first 6 letters |
| `EMAIL` | `email` | Keeps the domain and the first 3 letters |
| `MOBILE` | `mobile` | Masks 3 digits from the 4th |
| `TELEPHONE` | `tel` | Masks the last 4 digits and reformats |
| `ID` | `id` | Masks the last 4 digits |
| `CREDIT_CARD` | `credit_card` | Masks 6 digits from the 7th |
| `URL` | `url` | Masks the password part of the URL |
| `POSTCODE` | `postcode` | Keeps the first 2 characters |
```

--------------------------------

### SetNull Transformer

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/replacement.md

Applies a NULL value to a nullable column.

```php
#[Transformer\SetNull]
```

--------------------------------

### Apply RandomPerson transformer to an entity

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/multi-column.md

Use the RandomPerson attribute on an entity class to map generated values to multiple properties.

```php
#[ORM\Entity]
#[ORM\Table(name: 'customer', schema: 'core')]
#[Transformer\RandomPerson(columns: [
    ['name' => 'firstName', 'template' => '{{ .FirstName }}'],
    ['name' => 'lastName', 'template' => '{{ .LastName }}'],
])]
class Customer
{
    #[ORM\Column(name: 'first_name')]
    private string $firstName;

    #[ORM\Column(name: 'last_name')]
    private string $lastName;
}
```

--------------------------------

### Apply Masking Transformer

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/replacement.md

Use the Masking attribute to define the masking rule for a field.

```php
#[Transformer\Masking(PartialEnum::NAME)]
```

--------------------------------

### Apply a Transformer Attribute to a Property

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/attributes.md

Use the Transformer namespace to apply masking attributes to Doctrine-mapped properties.

```php
use TacticMedia\GreenmaskBundle\Attribute\Transformer;
use TacticMedia\GreenmaskBundle\Attribute\Transformer\PartialEnum;

#[ORM\Column(name: 'display_name')]
#[Transformer\Masking(PartialEnum::NAME)]
private string $displayName;
```

--------------------------------

### Declare Anonymisation Rules on Doctrine Entities

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/README.md

Use PHP attributes to define masking and transformation rules directly on entity properties.

```php
use Doctrine\ORM\Mapping as ORM;
use TacticMedia\GreenmaskBundle\Attribute\Transformer;
use TacticMedia\GreenmaskBundle\Attribute\Transformer\PartialEnum;

#[ORM\Entity]
#[ORM\Table(name: 'user', schema: 'core')]
class User
{
    #[ORM\Column(name: 'display_name')]
    #[Transformer\Masking(PartialEnum::NAME)]
    private string $displayName;

    #[ORM\Column]
    #[Transformer\RandomEmail(preserve: ['admin@example.com'], domains: ['disabled.localhost'])]
    private string $email;
}
```

--------------------------------

### Json Transformer

Source: https://github.com/tacticmedia/greenmask-bundle/blob/main/docs/transformers/advanced.md

The Json transformer edits json or jsonb documents at specified paths using set or delete operations.

```APIDOC
## Json Transformer

### Description
Edits a json or jsonb document at named paths, leaving the rest of the document unchanged.

### Parameters
- **operations** (non-empty-list<array>) - Required - A list of operations to perform on the JSON document.
- **keep_null** (bool) - Optional - Whether to keep null values.
- **when** (string) - Optional - Conditional logic for the transformer.

### Operation Fields
- **operation** (string) - Required - Either 'set' or 'delete'.
- **path** (string) - Required - A gjson path into the document.
- **value** (mixed) - Optional - The literal value to write.
- **value_template** (string) - Optional - A Go template whose output is written.
- **error_not_exist** (bool) - Optional - Fail when the path is missing.
- **skip_not_exist** (bool) - Optional - Leave the document alone when the path is missing.
```

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